color comparison

• 比色

color comparison的用法和样例：

例句

1. The colorimetric methods involve the bleaching of a preformed color by the fluoride ion.
   比色法涉及氟离子对预先形成的颜色的消色作用。
2. Gardner chromaticity value and color grade of solid gum rosin was determined with a Lovibond automatic colorimeter.
   采用罗维邦自动比色仪可以直接测定固体脂松香的加纳色度值和颜色级别。